InsEcTS 
GENERAL 
c 
L 
CLASSES. 
I. Having 
wings 
II. Without 3 
wings 
ORDERS. 
Ge Four Wings 
| 
without wing- ¢ 
cases 
II. Two Wings 
'  -wing-cases 
lil. Two wings 
Li uncovered 
¢ IV. Undergoing a 
metamorphosis 
V. Undergoingno 
| metamorphosis 
CLASSES. 
(I. Wings covered with scales. 
Tongue spiral. LepipoprEra. 
LI. Wings membranous, naked. 
Mouthwithoutteeth or tongue. 
TricHoprera. HPHEMERINA. 
III. Wings membranous, equal, 
reticulated. Mouth with teeth. 
Rest of NeuropTEra. 
IV. Wingsmembranous unequal, 
nervures mostly longitudinal. 
Mouth with teeth. A sting or 
borer in the female. HyMENo- 
PTERA. 
V. Wings membranous. Tongue 
bent under the breast. Homo- 
.  prera Leach. 
(VI. Elytra half coriaceous an 
half membranous, crossed. A 
pair of membranous wzgs. 
Tongue bent under the breast. 
Hemrerera Leach. 
VII. Elytra coriaceous or semi- 
4 covered by two 4 —_crustaceous, aliform. A pair of 
membranous wings. Mouth 
with teeth. OrnrHoprera. 
VIII. Elytra hard and crusta- 
ceous. A pair of membranous 
wings. Mouth with teeth. Co- 
LEOPTERA. 
( IX. Apairof membranous wings. 
A pair of poisers. Mouth with 
a tongue without teeth. D1- 
PTERA. 
4 X. A pair of membranous wings. 
No poisers, tongue, or teeth in 
the male. No wings but a 
tongue in the breast of the fe- 
. male. Coccus L. 
j XI. No wings. Six legs. Mouth 
| witha tongue. APHANIPTERA. 
¢ XII. No wings. Six legs. Head 
and Trunk distinct. Hrxarop 
Arrrera, TERMEs, Psocus. 
XIII. No wings. 8 or 10 legs. 
Head united to the trunk. Oc- 
¢ tvopop Aprrra, ARACHNIDA, 
CrusTAcEa. 
XIV. Nowings. 14 Legs or more. 
Head separated from the 
trunk. Potyrop AprERA. 
L Crustacea. 
